Revolving Credit Facility (Notes)

12 Months Ended

Mar. 31, 2018

Line of Credit Facility [Line Items]

Debt Disclosure [Text Block]

The Company is party to a loan and security agreement (Credit Facility) with Silicon Valley Bank, which was initially entered into on March 20, 2015 and amended on July 12, 2016. The Credit Facility provides for a senior secured asset-based revolving facility with availability up to $30 million, including a $15 million sublimit for letters of credit. The Credit Facility expires March 20, 2019. At March 31, 2018, the Company had no amounts outstanding under the Credit Facility, was in compliance with all covenants, and was not in default under the Credit Facility. The commitment fee on the amount of unused credit was 0.3 percent. If the Company fails to meet the covenants in its Credit Facility or its lenders fail to fund, access to the facility may be limited or the facility may become unavailable altogether.